1220101112202 has 48 divisors (see below), whose sum is σ = 2838979215072. Its totient is φ = 348554065440.

The previous prime is 1220101112179. The next prime is 1220101112207. The reversal of 1220101112202 is 2022111010221.

It is not an unprimeable number, because it can be changed into a prime (1220101112207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1975552 + ... + 2518532.

It is an arithmetic number, because the mean of its divisors is an integer number (59145400314).

Almost surely, 2^{1220101112202} is an apocalyptic number.

1220101112202 is an abundant number, since it is smaller than the sum of its proper divisors (1618878102870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1220101112202 is a wasteful number, since it uses less digits than its factorization.

1220101112202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550643 (or 550636 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1220101112202 its reverse (2022111010221), we get a palindrome (3242212122423).

The spelling of 1220101112202 in words is "one trillion, two hundred twenty billion, one hundred one million, one hundred twelve thousand, two hundred two".